(NwERETENO (B/s - (NmALY[EW(B, (NaLEKSANDR pETROWI^s ((NmOSKWA (B:s (NgIZLEGPROM(B,s, 1950)
(NbIBLIOGR(B.: (NS(B. 233-237s
Keywords: (NpRISPOSOBLENIQ DLQ PRQDENIQs; (NwERETENOs